[13196] | 1 | # Global bashrc file |
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| 2 | # |
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[22516] | 3 | # $Id: bashrc,v 1.39 2006-07-17 23:14:07 rbasch Exp $ |
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[13196] | 4 | |
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| 5 | # This file is sourced by default user file ~/.bashrc |
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| 6 | |
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[22913] | 7 | initdir=/usr/lib/init |
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[13196] | 8 | |
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| 9 | # ******************* ENVIRONMENT SETUP ******************* |
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| 10 | |
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| 11 | |
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| 12 | |
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| 13 | # Set up standard system/user environment configuration (including setup of |
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| 14 | # environment variables, attachment of lockers, and setting of search path) |
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| 15 | |
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[21129] | 16 | # If we see ENV_SET set to empty, we could be a tcsh user who has |
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| 17 | # decided to run bash, or we could be a bash user suffering from the |
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| 18 | # misfeature that the standard xsession script runs the tcsh dotfiles |
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| 19 | # for all users. Running the environment setup for the former |
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| 20 | # category of user would be unfriendly (it resets the homedir and |
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[22940] | 21 | # changes the path), so for now, only run environment setup for bash |
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| 22 | # users. If the xsession problem is ever fixed, change this |
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| 23 | # conditional to check for '"${ENV_SET+set}" != set' and eliminate the |
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| 24 | # shell check. |
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[21129] | 25 | if [ "${ENV_SET:+set}" != set -a "${SHELL##*/}" = bash ]; then |
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[13196] | 26 | |
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| 27 | export ENV_SET=t # Avoid unnecessary repeat |
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[22913] | 28 | export HOSTTYPE="`/bin/machtype`" |
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[13196] | 29 | |
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[24770] | 30 | # Ensure user's homedir is attached, for legacy things |
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| 31 | # that care about attachtab |
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[24792] | 32 | # Only attach if running as an Athena user, not e.g. using sudo. |
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[24793] | 33 | if [ "$DEBATHENA_HOME_TYPE" = afs ]; then |
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| 34 | /bin/attach -h -q "${ATHENA_USER:-$USER}" |
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[24792] | 35 | fi |
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[24770] | 36 | |
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[22975] | 37 | if [ -r "$HOME/.generation" ]; then |
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| 38 | export ATHENA_DOTFILE_GENERATION=`cat "$HOME/.generation"` |
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| 39 | else |
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| 40 | export ATHENA_DOTFILE_GENERATION=0 |
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| 41 | fi |
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| 42 | |
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[21164] | 43 | ulimit -S -c 0 # Don't allow coredumps |
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[13196] | 44 | export EDITOR=emacs # Set default editor |
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| 45 | export MM_CHARSET=iso-8859-1 |
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| 46 | |
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[23438] | 47 | export EMAIL="$USER@mit.edu" # Set default email address |
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| 48 | |
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[22913] | 49 | export MORE=-s |
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[13222] | 50 | |
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[22975] | 51 | # Set double-sided printing for sufficiently recent users. |
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| 52 | if [ 1 -le "$ATHENA_DOTFILE_GENERATION" ]; then |
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| 53 | export LPROPT=-Zduplex |
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| 54 | fi |
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| 55 | |
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[22913] | 56 | export ATHENA_SYS=`/bin/machtype -S` |
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| 57 | export ATHENA_SYS_COMPAT=`/bin/machtype -C` |
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[13196] | 58 | |
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[13238] | 59 | if [ -z "$ATHENA_SYS" ]; then |
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[13196] | 60 | export ATHENA_SYS=@sys |
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[13238] | 61 | fi |
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[13196] | 62 | |
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[23132] | 63 | if [ "${PRINTER+set}" != set \ |
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[23513] | 64 | -a -e /var/run/athena-clusterinfo.csh ]; then |
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[23132] | 65 | PRINTER=`awk '/LPR/ { print $3 }' \ |
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[23513] | 66 | /var/run/athena-clusterinfo.csh` |
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[13196] | 67 | if [ -n "$PRINTER" ]; then export PRINTER; fi |
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| 68 | fi |
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| 69 | |
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| 70 | # Reset the HOME variable to correspond to the actual location |
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| 71 | # of the user's home directory. This will avoid having long |
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| 72 | # pathnames being printed when /mit/<user> is a symlink to a |
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| 73 | # path within AFS. |
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[13222] | 74 | |
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[22439] | 75 | x=`(cd && /bin/pwd) 2>/dev/null` |
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[13196] | 76 | if [ -n "$x" ]; then |
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| 77 | export HOME=$x |
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[22439] | 78 | if [ "$x" = "`/bin/pwd`" ]; then |
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| 79 | cd "$HOME" |
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| 80 | fi |
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[13196] | 81 | fi |
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| 82 | unset x |
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| 83 | |
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| 84 | # Run user environment customizations identified in your |
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| 85 | # ~/.bash_environment file. This is the place to include your |
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| 86 | # own environment variables, attach commands, and other system |
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| 87 | # wide setup commands. You can also cancel default behaviors |
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[13242] | 88 | # listed above. |
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[13196] | 89 | # ~/.bash_environment is not sourced if NOCALLS is set (i.e., |
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| 90 | # if you selected the xlogin "Ignore your customizations" |
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| 91 | # option when you logged in). |
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| 92 | |
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[13222] | 93 | if [ "${NOCALLS+set}" != set -a -r ~/.bash_environment ]; then |
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[13196] | 94 | . ~/.bash_environment |
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| 95 | fi |
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[13564] | 96 | |
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[23030] | 97 | # If the user has a bindir in $HOME, put it in front of the path. |
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[22913] | 98 | athena_home_bin=$( /usr/bin/athdir "$HOME" ) |
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[23030] | 99 | PATH=${athena_home_bin:+$athena_home_bin:}$PATH |
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[22913] | 100 | unset athena_home_bin |
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[13196] | 101 | |
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| 102 | fi |
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| 103 | |
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[22913] | 104 | |
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[13196] | 105 | # ******************* BASH SETUP ******************* |
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| 106 | |
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| 107 | # Set up standard bash shell initializations |
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| 108 | |
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[13479] | 109 | if [ "${XSESSION+set}" = set ]; then |
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[23182] | 110 | logout () { gnome-session-save --kill --silent; exit; } # logout for X |
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[13196] | 111 | fi |
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| 112 | |
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| 113 | # aliases dealing with adding locker programs |
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| 114 | |
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[23782] | 115 | setup_tty () {(export SUBJECT="$@"; $SHELL)} |
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| 116 | setup_X () {(export SUBJECT="$@"; xterm -title "$@" &)} |
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[13196] | 117 | |
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[23782] | 118 | if [ -n "$XSESSION" ]; then |
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| 119 | alias setup=setup_X |
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| 120 | else |
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| 121 | alias setup=setup_tty |
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| 122 | fi |
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[13196] | 123 | |
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[23782] | 124 | remove () { export SUBJECT="$@"; |
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| 125 | source $initdir/env_remove.bash; |
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| 126 | unset SUBJECT; } |
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| 127 | |
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| 128 | if [ -n "$SUBJECT" -a -r $initdir/env_setup.bash ]; then |
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| 129 | source $initdir/env_setup.bash |
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| 130 | fi |
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| 131 | |
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| 132 | |
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[13222] | 133 | # All of the bash initializing commands above can be overridden by using |
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| 134 | # "unset" or "unalias" commands (or by changing things using "set" or |
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[13196] | 135 | # "alias" again) in your ~/.bashrc.mine file, which is sourced here. |
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| 136 | # ~/.bashsrc.mine is not sourced if the xlogin "Ignore your customizations" |
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| 137 | # option was selected to begin the session. |
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| 138 | |
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[13222] | 139 | if [ "${NOCALLS+set}" != set -a -r ~/.bashrc.mine ]; then |
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[13196] | 140 | . ~/.bashrc.mine |
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| 141 | fi |
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